The safety of intraocular methotrexate in silicone-filled eyes

Paul W. Hardwig, Jose S. Pulido, Sophie J. Bakri

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

BACKGROUND: Intraocular methotrexate has been safely used in eyes with primary CNS lymphoma (PCNSL), and in eyes with uveitis and proliferative diabetic retinopathy. Dosing in silicone-filled eyes was reduced from a standard 400 μg intravitreal injection due to concerns of toxicity. The present study reports the visual results of non-PCNSL, silicone-filled eyes treated with intravitreal methotrexate using cumulative dosages ranging from 200 μg to 1,200 μg. METHOD: In this retrospective case series, all patients with silicone-filled eyes who received intraocular methotrexate were included. Patients were observed with serial ophthalmic examinations. Best-corrected visual acuity was measured by Snellen acuity. Pretreatment acuities were compared to those obtained at last follow-up. RESULTS: The cohort included 12 patients (13 eyes) with disease other than PCNSL. The cumulative dose of intraocular methotrexate in any one patient ranged from 200 μg to 1,200 μg. Mean follow-up was 9 months (median, 10 months; range, 2 weeks to 16 months). Best-corrected vision at last follow-up was either stable or improved from pretreatment acuity in 12 of 13 eyes. CONCLUSION: Preservation of acuity in 12 of 13 study eyes suggests that intravitreal methotrexate in a cumulative dose of up to 1,200 μg is safe in silicone-filled eyes.

Original languageEnglish (US)
Pages (from-to)1082-1086
Number of pages5
JournalRetina
Volume28
Issue number8
DOIs
StatePublished - Sep 1 2008

Keywords

  • Intravitreal methotrexate
  • Proliferative diabetic retinopathy
  • Proliferative vitreoretinopathy
  • Silicone oil
  • Uveitis

ASJC Scopus subject areas

  • Ophthalmology

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